व्हेन द बैलेंस प्वाइंट इज ऑब्टेंड इन द पोटेंशियोमीटर ऑफ करंट इज ब्रोड्रॉन फ्रॉम
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cell only
The emf of the battery in the primary circuit is equal to the emf of the experimental cell in the secondary circuit. the potential differences of the wire between the +ve end and jockey becomes equal to the emf of the experimental cell only.
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